Define a cardiac cycle and the cardiac output.
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Cardiac cycle is defined as the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next. ... Cardiac output is defined as the amount of blood pumped out by the ventricles in a minute.
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Cardiac events that occur from the beginning of one heartbeat to the befinning of the next is called cardiac cycle. Its duration is about 0.8 sec.
It is the volume of blood pumped out by the ventrical per minute.
cardiac output = Stroke volume × No.of beats per minute = 5040 ml/min or approximately 5 litres.
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